Solving by difference of two squares when not a square number

Solving by difference of two squares when not a square number

Assessment

Interactive Video

Mathematics

11th Grade - University

Hard

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The video tutorial demonstrates how to factor an expression using the difference of two squares technique. It begins by explaining the concept and setting up the equation to be factored. The instructor then applies the difference of squares method, identifying the terms a^2 and b^2, and solving for the variables by taking square roots. The tutorial concludes by summarizing the solution and emphasizing the applicability of the technique even when dealing with non-square numbers.

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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in factoring an expression using the difference of two squares?

Set the expression equal to zero

Add the terms

Identify the square terms

Multiply the terms

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the expression a^2 - b^2, what does 'a' represent?

The difference of the terms

The product of the terms

The square root of the first term

The sum of the terms

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you determine the value of 'b' in the expression a^2 - b^2?

By multiplying the terms

By taking the square root of the second term

By subtracting the terms

By adding the terms

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the result of factoring the expression X^2 - 3 using the difference of two squares?

(X - sqrt(3))(X + sqrt(3))

(X + 3)(X - 3)

(X - 1)(X + 1)

(X + sqrt(3))(X - sqrt(3))

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the solutions to the equation X^2 - 3 = 0 after factoring?

X = sqrt(3) and X = -sqrt(3)

X = 3 and X = -3

X = 0 and X = 3

X = 1 and X = -1